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add pixel scaler support to ViewContext

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This commit is contained in:
Gered 2013-08-24 19:12:06 -04:00
parent 12f9270636
commit 90d4885d71
1 changed files with 38 additions and 1 deletions
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39
Blarg.GameFramework/Graphics/ViewContext.cs
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@ -11,6 +11,8 @@ namespace Blarg.GameFramework.Graphics
ScreenOrientation _screenOrientation;
Camera _camera;
bool _isUsingDefaultCamera;
IOrthoPixelScaler _pixelScaler;
bool _isUsingDefaultPixelScaler;
Matrix4x4 _modelViewMatrix;
Matrix4x4 _projectionMatrix;
@ -65,6 +67,36 @@ namespace Blarg.GameFramework.Graphics
}
}
public IOrthoPixelScaler PixelScaler
{
get
{
return _pixelScaler;
}
set
{
// using the default scaler but a new scaler is being provided?
if (_isUsingDefaultPixelScaler && value != null)
{
_isUsingDefaultPixelScaler = false;
_pixelScaler = value;
}
// not using the default scaler already, but setting a new scaler
else if (!_isUsingDefaultPixelScaler && value != null)
{
_pixelScaler = value;
}
// not using the default scaler, and clearing ("nulling") the scaler
else if (!_isUsingDefaultPixelScaler && value == null)
{
_pixelScaler = new NoScaleOrthoPixelScaler();
_isUsingDefaultPixelScaler = true;
}
}
}
public Matrix4x4 ProjectionMatrix
{
get
@ -101,8 +133,11 @@ namespace Blarg.GameFramework.Graphics
{
get
{
_pixelScaler.Calculate(_viewport);
Rect scaledViewport = _pixelScaler.ScaledViewport;
Matrix4x4 ortho;
Matrix4x4.CreateOrthographic((float)_viewport.Left, (float)_viewport.Right, (float)_viewport.Top, (float)_viewport.Bottom, 0.0f, 1.0f, out ortho);
Matrix4x4.CreateOrthographic((float)scaledViewport.Left, (float)scaledViewport.Right, (float)scaledViewport.Top, (float)scaledViewport.Bottom, 0.0f, 1.0f, out ortho);
if (!IgnoringScreenRotation && _screenOrientation != ScreenOrientation.Rotation0)
{
@ -150,6 +185,8 @@ namespace Blarg.GameFramework.Graphics
_screenOrientation = ScreenOrientation.Rotation0;
_camera = new Camera(this);
_isUsingDefaultCamera = true;
_pixelScaler = new NoScaleOrthoPixelScaler();
_isUsingDefaultPixelScaler = true;
}
public void OnNewContext()